A Blizzard Warning is in effect for the Kuskokwim Delta coast and Nunivak Island, Alaska, until 05:00 AKST Monday, November 17, 2025, with visibility down to 400 m (1/4 mile), additional snow of 5–10 cm (2–4 inches), and wind gusts up to 80 km/h (50 mph) expected.
Heavy snow and gusts to about 65 km/h (40 mph) are forecast for the West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park in California on Monday, November 17, 2025, with a Winter Weather Advisory in effect until 16:00 PST. A brief break is forecast for Tuesday and Wednesday, followed by increased chances for rain and snow showers on Thursday, November 20.
At least 6 fatalities have been reported as of Sunday, November 16, 2025, as a powerful atmospheric river continues to impact California. With heavy rainfall of up to 200 mm (8 inches) being forecast, authorities are preparing for the threat of flash floods, landslides, debris flows across the state.
A destructive tornado struck Albufeira in Portugal at around 11:00 LT on Saturday, November 15, 2025, leaving one person dead and injuring over 20 people. The event severely affected the Albufeira Campsite and Eden Resort Hotel, where multiple structures collapsed and vehicles were overturned.
‘Super fog’ covered St. James Parish and parts of southern Louisiana on the morning of Friday, November 14, 2025. Near-whiteout conditions were reported on some roads, while visibility was reduced to 3 m (10 feet) in multiple areas.
A combination of the ongoing weak La Niña, the Madden–Julian Oscillation (MJO), and a rare November Sudden Stratospheric Warming (SSW), could bring colder winter-conditions across parts of the U.S. during late November and early December
Evacuation warnings were issued across multiple burn-scar zones in California on November 13, 2025, as a strong atmospheric river delivered high rainfall rates and elevated debris-flow potential.
A strengthening low-pressure system offshore is forecast to spread heavy precipitation and mountain snow across the Sierra Nevada from Thursday, November 13 through November 15, 2025. Winter Weather Advisories are in effect for the Eastern Sierra Slopes, Greater Lake Tahoe Area and the West Slope Northern Sierra Nevada, with snow levels forecast to drop into November 14 and accumulations reaching 30–60 cm (12–18 inches) at the highest peaks.
A strong atmospheric river is forecast to move onshore across California through Saturday, November 15, 2025, bringing heavy rain, strong southwest winds, and elevated flash-flood risk across northern, central, and southern parts of the state.
Interior Mendocino and Lake counties are under a Flood Watch from late Wednesday, November 12, through Thursday morning, November 13, 2025, as 50–75 mm (2–3 inches) of rain is forecast within several hours. Marine Storm and Gale Warnings are also in effect offshore, where winds up to 95 km/h (60 mph) and seas up to 8 m (27 feet) are expected.
